unproductive

• The burning zone, or rather the central part of it, immediately about the equator, was considered uninhabitable, unproductive, and impassable in consequence of the excessive heat. —  The Life and Voyages of Christopher Columbus (Vol. II)
• I realigned the papers, thinking back to my long, unproductive, and depressing Sunday. —  The Dangerous Hour - Muller, Marcia - Sharon McCone 23
• We need to bring deforestation to a halt as rapidly as possible and foster the regeneration of forest on that portion of the region's 600 thousand plus square kilometers of cleared land that is unproductive -- more 100 thousand square miles. —  Rainforest Portal RSS Newsfeed
• It may be "unproductive," in the sense of not maing mars bars or writing CDS off a goldman sachs desk (?), but it is almost certain to buy you more of both in the long term? —  DealBook
• I also find that I get into trouble less if I am at home and being vigorously unproductive, as in blogging. —  A Twist of Word and Mind

Roget's II: The New Thesaurus

Allen's Synonyms and Antonyms

Used in the Same Context